AR226-2114 Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene 1/1/87 12/31/87 100% Sample Dt Sample# Duration Type Employee Name BTO : 08 TEFLON LOC: 701 FINE POWDER DRYER-EAST SIDE #2 1/11/87 46278 360 Z 3/2/87 46279 360 z S/23/87 46280 360 z 6/6/87 46281 330 z 8/15/87 46282 420 z 12/17/87 46264 450 z 12/16/87 46263 450 z Pers Chemical C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 BTO: 08 TEFLON LOC: 702 FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 1/11/87 36605 360 z C-8/FC-143 3/1/87 36806 360 z C-8/FC-143 5/14/87 36608 510 z C-8/FC-143 6/6/37 36609 330 z C-8/FC-143 8/15/87 36607 420 z C-8/FC-143 1001/87 36610 347 z C-8/FC-143 12/19/87 36611 331 z 08/FC-143 BTO: 08 TEFLON LOC: 703 FINE POWDER PACKOUT ROOM 1/18/87 34549 300 z 2/13/87 34550 390 z 3/5/87 34551 390 z 40/87 34552 369 z 5/23/87 34654 360 z 6/13/87 34555 360 z 8/12/37 34556 8/19/87 34557 10/16/87 34559 360 z 450 z 300 z 12/18/87 34562 450 z C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 Cone Unit Percent 0,153 MPB 0294 MPB 0.118 MPB 0.131 MPB 0.065 MPB 0.388 MPB 0.159 MPB 27.3% 52.5% 21.1% 23.4% 11.6% 69,3% 2B.4% 0.172 MPB 0.106 MPB 0.074 MPB 0.131 MPB 0.028 MPB 0.027 MPB 0.18 MPB 30.7% 18.9% 13.2% 23.4% 5.0% 4.8% 32.1% <0.03 MPB 0.234 MPB 0.167 MPB 0.068 MPB 0.04 MPB 0.057 MPB 0.051 MPB 0.054 MPB 0.011 MPB 0.109 MPB 6.4% 41.8% 29.8% 12.1% 7.1% 10.2% 9.1% 9.6% 2.0% 19.5% Tuesday, January 16,2001 9:49:06 AM Page 1 o f 10 AJP003905 E ID 1 1 3 0 3 9 Sample Dt Sam ple# Duration Type Employee Name BTO : 08 TEFLON LOG : 704 A/S - FINE POWDER C-SWEIGH HOOD 1/12/87 34973 360 2 3/5/87 34975 330 Z 4/29/87 34976 331 S 6/21/87 34978 310 2 6/14/87 34880 360 Z 9/12/87 34881 360 2 12/20/87 34904 360 2 BTO: 08 TEFLON LOC : 705 DISPERSION PACKOUT AREA 3/1/87 37373 360 2 5/19/87 37375 360 2 12/17/87 37380 450 Z 12/19/87 37379 325 2 BTO: 08 TEFLON@ LOC: 706 FINE POWDER DRYER #3 3/5/87 34264 330 2 5/17/87 34266 330 Z 8/12/87 34267 360 Z 10/31/87 34268 349 Z 12/19/87 34269 331 Z BTO : 08 TEFLON LOC: 708 P/S - FINE POWDER PACKOUT (OBPJ) 6/13/07 9410 360 P '12/18/87 9413 450 P BTO : 08 TEFLON LOC: 710 FP&D AUTOCLAVE CONTROL ROOM 1/18/87 46005 300 2 2/13/87 46036 380 Z 3/5/87 46037 390 Z 4/3/87 46038 370 Z 5/21/87 46009 300 Z 6/7/87 46040 450 Z 8/1/37 46041 465 Z 8/15/87 46042 420 Z Tuesday, January 16 ,200 19:4 3:06 AM Pere Chem ical Cone Unit Percent C-8/FC-143 C-S/FC-143 C-S/FC-143 C-8/FC-143 C-8/FC-143 C-6/FC-143 C-8/FC-143 0.774 MPB 4 9 MPB 0.148 MPB 0.12 MPB 0.382 MPB 0511 MPB 0.216 MPB 138.2%** 883.0%** 28.4% 21.4% 70.0% 37.7% 38.6% C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 0.197 MPB 0.111 MPB 0.038 MPB 0.072 MPB 3&2% 19.8% 6.8% 128% C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 0194 MPB 0.677 MPB 0.195 MPB 0.103 MPB 0.313 MPB 34.6% 120.9%** 34.8% 18.4% 55.9% none C-8/FC-143 none C-S/FC-143 0.12 MPB 0.1 MPB 21.4% 17.9% C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 0.091 MPB 0.116 MPB 0.146 MPB 0.068 MPB 0.078 MPB 0.046 MPB 0,023 MPB 0.03 MPB 16.3% 20.7% 28.1% . 12.1% 13.9% 8.2% 4.1% 5.4% Page 2 o f 10 AJPG03906 EID113040 Semple Dt Sample # Duration Type employee Name 10/16/87 46044 10/17/87 46043 12/20/87 46045 300 Z 3oa Z 360 z BTO : 08 TEFLON LOG: 712 NORTH END OF DRYER #3 3/2/87 46327 360 Z 5/24/87 46328 450 z 6/14/87 46329 360 z 8/14/87 46330 360 z 10/18/87 46331 300 z BTO : 08 TEFLON LOG : 715 SOOTH END DRYER #2 1/12/87 46003 360 Z 3/7/87 46004 375 z 5/24/87 46005 450 z 6/23/87 46006 360 z 9/12/87 46007 360 z 12/18/87 46009 450 z BTO: 08 TEFLON LOC: 717 ROOF AREA-GENERAL 1/18/87 078 300 z 3/7/Q7 46079 370 z 5/24/87 46080 450 z 8/23/87 46081 360 z 10/18/87 46082 300 z BTO : 08 TEFLON LOC : 719 MOISTURE CHECK 2/13/87 46109 390 z 5/20/87 46341 450 z 10/16/87 46343 300 z BTO : 08 TEFLON LOC: 7) INJECTION PUMP AREA 3/2/87 39690 360 z 4/29/87 39691 330 s 5/21/87 39692 330 z Tuesday, January 16,2001 9:43:06 AM Pers Chem ical C-8/FC-143 C-8/FC-143 ' C-8/FC-143 Cone Unit 0.013 MPB 0.032 MPB 0.056 MPB Percent 2.3% 5.7% 10.0% 0 8 /F 0 1 4 3 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 0.238 MPB 0.038 MPB 0.171 MPB 0.165 MPB 0.014 MPB 425% 6.8% 30.5% 29.5% 2.5% C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-a/FC-143 0.238 MPB 0.09 MPB 0.124 MPB 0.732 MPB 0.076 MPB 0 .1 MPB 426% 16.1% 221% 130.7%" 13.6% 26.6% C-8/FC-143 C-S/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 0.093 MPB 0.04 MPB 0.126 MPB 0.082 MPB 0.048 MPB 16.6% 7.1% 225% 14.6% 8.6% C-8/FC-143 C-8/FC-143 C-8/FC-143 0.057 MPB 0.073 MPB 0.009 MPB 10.2% 13.0% 7.0% C-8/FC-143 08/FC-143 OS/FC-143 0.638 MPB 0.279 MPB 0.31 MPB 113.9%" 49.8% 55.4% Page 3 of 10 AJP003907 EID113041 Sample Dt Sample $ Duration Type Employee Name BTO; 08 TEFLON LOC: 726 AISLE IN FRONT OF WAX SEPARATOR 3/1/87 35491 360 Z 5/17/87 35492 3 Z 9/30/87 35494 317 Z 1001/87 35495 345 Z BTO: 08 TEFLON LOC : 727 FINE POWDER CELLAREA 3/5/87 35175 375 Z 12/17/87 35176 450 Z BTO: 08 TEFLON LOC: 728 WAX ROOM -B-162-1ST FLOOR 1/12/87 37189 360 Z 3/5/87 37191 330 Z 5/21/87 37192 370 Z 6/9/87 37193 330 Z 8/14/87 37194 360 Z 10/18/87 37195 300 Z BTO: 08 LOC : 731 TEFLON A/5-INSIDE F.P.

AR226-2276 E ID 6 7 6 4 2 3 4/16/02 Privileged and Confidential DraftAttorney Work Product Figure 2 OOOSfet 00SM4 psppop^ sio;dao3^[ psqsJsjByVV IP A \ S u p p o n sp p ri singly OOOt'i't' oosew 000t4 00SZW7 doosn* OOSW OOOTt'fe ---- 1-0009* r^ % +V -tTtITf--T -pH -t--l +4-1.

AR226-2330 DISPERSION MODELING PROTOCOL Plant-wide C8 Emissions DuPont Chambers Works Facility Deepwater, New Jersey Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 April 9,2003 E ID 747779 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations o f maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. . 1. .

AR226-2397 Polymer Products Department cc: Research & Development Division Experimental Station CONFIDENTIAL M.

AR226-2511 Akito Abe 04/01/2002 09:46 PM To: Stephen R Peck/SE/DuPont@DuPont cc: Yoshihiro Hayatsu/PO/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Ta-Wet Fu/SE/DuPont@DuPont Subject: C-8 analysis at W W lab Steve, l imagine you had enjoyed in your Easter holidays.

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AR226-2551 EID121902 RCRA Facility Investigatioii Results Review March 14,2001 6 L U I0HSV i Introductions Site Background Site Hydrogeology RFI Scope of Work RFI Results Conclusions and Recommendations Wrap-Up 0 8 2 1 1OHSV EID121903 r WToasfahminiglitaornizWe tohrekEs sPiAte/pWhyVsiDcaElPsepttrionjgect team with the cToomsphlaerteedthReCreRsuAltFsaocbiltiatyinIendvefrsotimgatthioenrecently To provide perspective on the RFI results pTrootpercotpioonseoaf hpuamthafnorhweaalrtdhtahnadt wthiell eennvsuirroencmoenntitnued ISntOHSV EID121904 coThvhaeerraD1c0tuePyrieozanerdtsWoanfadisnhwvineesgllttiuognnadtWieornostraoknosdds,mitaeosinsaitwroeersilunl lgt.of caTnohdnettrchooelmpebrnoivngiarroatimnomneeonnfstuIRfrreMopmsroastnietdectStihoWenMaocfUtihvsu.emsiaten hhyedarltahulic DseiftfueePchotyivndetrnainuetsleiscngdcoosinntotgrocfoloprnwrtoiangrudrea.mtoaancdtivmeloynoitpoerriatste the Z8ZII0HSV EID121905 # # M1,2a0n0ufaaccrteusrionngObehgioanRiinve1r9i4n8'western WV Engineering Polymers, Fluoroproducts, and P6dP Engineering plastics (Delrin) - Nylon pellets and filaments (Zytel) - Acrylic resins and molding compounds - Polyvinyl butyral (Butacite) - Teflon & Tefzel Approx. 2,400 employees (DuPont's 2nd largest) C821I0HSV EID121906 WEI IOHSV EID121907 ASI lOU 285 IIM 21908 -1 bI1n9yv8Ee9sP-tiAgCaRotireorgenico(tinVvIIe)IAIorfcet6qiouSniWroinMrg"UVHseSrWifiAca"tipoenrmit issued 1991 and 1992 - Conducted VI MIRnFjaeIrccwthioo1nr9kW9p7lea-lnlEs fProeArmfcooovumerdSmWferonMmteUdcsoo(nnLsViodcIearlaanLtidFonr&e)quired 1998 and 1999 - Conducted RFI 98UI0HSV EID121909 Riverbank Landfill Anaerobic Digestion Ponds Polyacetal Waste Incinerator sntO H S V EID12I910 SWMU LOCATIONS h EID121911 SSCI I0HSV SWMU LOCATIONS Operated from 1948 to mid-1960s Measured 4,500 feet long by 150 feet wide Friivlleerdflsoteoedpplsalionpe separating main plant terrace from Filled with general plant solid waste Closed by covering with soil, vegetation, and rip-rap Today the RBL is densely vegetated Mtcroeenatcthmeyrlenenn-tenscyohswltoemrcidoentsreoellpedwabsytchoellmecatiinonaraenadof 68Z110HSV IID1219X2 ?

AR226-2809 DuPont-12988 TRADE SECRET Study Title H-24750: Static, Acute, 96-Hour Screening Test to Oncorhynchus mykiss Laboratoiy Project ID: DuPont-12988 A u t h o r s : Laurie D.

AR226-2821 1 Copies co: E I* du Pont de Nemours and Company Haskell Laboratory lor Toxicology and Industrial Medicine TEN-DOSE SUBACUTE ORAL TEST (RATS) Procedure : The test material (H-3824) was administered dally by stomach tube to each of six young adult ChR-CD male rats, five times a week for two weeks.

A AR226-2876 Copies to: E.

AR226-3041 Study Title Skin Irritation Test with H-21665 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 179-96 Author Tracy A.

D u P o n t-1 139 AR226-3099 Ijll TRADE SECRET Study Title H-23269: S kin Irritation Test in Rabbits Laboratory Project ID: D uPont- 1139 A u t h o r : Carol Finlay, B.A.

H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats AR226-3243 DuPont-6554 TRADE SECRET Study Title H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats Volume 1 of 4 Laboratory Project ID: DuPont-6554 Test Guidelines: U.S.

AR226-3267 449 DuPont Haskell Laboratory for Health and Environmental Sciences AR226-3267 March 6, 2003 cciMrI m I Qualify Assurance TO: FROM: MRFILi POCKET H-25425 J.

MA&6 _ 000252 A*6 - 3H-A6 0 8 PA C E T eam Meetings -11 February 1997 Tim e item 8:00-8:05 Review previous meeting minutes 8:05-8:10 Results of G las Review - D iscuss "containment only" option 8:10-8:25 Results of P A C Review 8:25-8:30 Site Exposure Reduction Issues 8:30-9:05 Understanding C E P Em ission Values - C E P Definition of em issions - W W Em ission Assum ptions - DW Em ission Assum ptions - SW Em ission Assum ptions i - C 8 Em issions vs.